package com.example.common;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class Result {
    private Integer code;//响应码，200 代表成功; 400 代表失败
    private String msg;  //响应信息 描述字符串
    private Long total;//总记录数
    private Object data; //返回的数据

    //增删改 成功响应
    public static Result success() {
        return new Result(200, "成功", 0L, null);
    }

    //查询 成功响应
    public static Result success(Long total, Object data) {
        return new Result(200, "成功", total, data);
    }

    public static Result success(Object data) {
        return new Result(200, "成功", 0L, data);
    }

    //失败响应
    public static Result error() {
        return new Result(400, "失败", 0L, null);
    }
    public static Result error(String msg){
        return new Result(400,msg,0L,null);
    }
}

